IgI 
maxillary barbels at least to middle of pectorals, mandibulary 
ones a little shorter. Distance between origin of dorsal 
and occipital process 4'/,—5'/, times in the distance from 
lastnamed to snout. Caudal rounded, not united with anal and 
dorsal. Ventrals rounded, extending on anal, about ?/, of pec- 
torals. Pectorals rounded, about as long as head without snout, 
their spine more or less denticulated, as long as or longer 
than postorbital part of head. Villiform teeth in the maxil- 
laries in two contiguous quadrangular patches, about twice as 
broad as long. Mandibulary teeth in two contiguous quadran- 
gular patches, with the posterior, exterior corner laterally 
produced. Vomerine teeth in a crescentic band as broad as 
or narrower than the supermaxillary band, its hindborder 
more or less prominent in the middle. 16—19 gillrakers, the 
two anterior ones very short, shorter than branchial filaments. 
Dark above, belly and underside of head light. Sometimes 
transverse rows of light spots along the sides of body and tail. 
Length over 400 mm. 
Nomen indig.: Ikan leleh (Malay, Sundan. and Javan.). 
Ikan maut (Gajo, Atjeh). 
Habitat: Java (Batavia!, Bekassi, Tandjong-Oost, Tjampea, 
Buitenzorg!, Serang!, Bantam, Dano, Tyjibilong, Perdana, 
Tjandjur, Tulong Agung, Tjipanas, Bandung, Situ Bagendit!, 
Tragan!, Cheribon, Samarang, Ambarawa, Wonosobo, Lesti, 
Ngantang, Bator, Grati, Palabuan, Lawang!, Djember!); Bali; 
Lombok!; Sumatra (Lahat, lakes Singkarah!, Manindjau! and 
Toba, Taluk! Solok! Fort de Kock, Pajakomboh, Upper-Lang- 
kat, Deli, Laut Tawar, Atjeh!); Simalur!; Singapore; Banka; 
Biliton; Borneo (rivers Mahakam, Barito, Kapuas, Sambas, 
Baram). — Philippines, Malacca, westwards to Burmah, British 
India and Ceylon. — Brackish and freshwater. 
4. Clarias teysmanni Blkr. 
Clarias Teysmanni Bleeker, Nat. Tijdschr. Ned.-Ind. XIII, 1857, p. 344. 
Clarias Teysmanni Bleeker, Atl. Ichth. II. 1862, p. 104. 
Clarias teysmanni Gunther, Cat. Brit. Mus. v. 1864, p. 19. 
Clarias Teysmanni Vinciguerra, Ann. Mus. Civ. Genova, XVI. 1880, p. 164. 
Clarias Teysmanni Day, Fishes of India 4°. 1878—1888, p. 484. 
Clarias Teysmanni Perugia, Ann. Mus. Civ. Genova, XXXIII. 1893, p. 243. 
Clarias Teysmanni Vaillant, Nouv. Arch. Mus. Hist. Nat. (3). v. 1893, p. 62. 
?Clarias pulcher Popta, Notes Leyden Mus. XXVII. 1906, p. 21 (mutilated 
specimen). 
